Yes, Chinas Brown Grain Granite can be used for exterior applications in cold climates. Granite is a durable and weather-resistant material, making it suitable for various outdoor applications. It is resistant to freeze-thaw cycles, which is a common concern in cold climates. Additionally, Chinas Brown Grain Granite has a dense composition, which enhances its ability to withstand freezing temperatures without significant damage or deterioration. It is commonly used for exterior cladding, paving, and other architectural applications in cold regions.